A son and father goes for boating in river upstream . After
rowing for 1 mile son notices the hat of his father falling
in the river. After 5 min. he tells his father that his hat
has fallen. So they turn around and are able to pick the
hat at the point from where they began boating after 5 min.
Find out the speed of river.
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Answer Posted / abhilasha
Cap fell here
A-------------->B----------------->C Upstream-------->
1mile
-----5 min--------
A<-----<<-------B<--------<<------C <<------Downstream
---------------5 min---------------
cap reached
here
From B to A total time taken by cap to reach at A =5+5
=10 min (B-->C--C-->B-->A)
Total distance covered by capto reach frm B to A =1 mile (with speed of river)
so speed of river =1 mile/ 10 min
= 1/(10/60)hr
=6 mile/hr Ans
| Is This Answer Correct ? | 66 Yes | 2 No |
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